Exposure
ID
SPICA.2025-08-20T06-14-31_1
Header ID
SPICA.2025-08-20T06-14-31
Date updated
2025-08-20 06:13:26 UTC+0000
Release date
None
UTC Start
2025-08-20 06:13:26.405
UTC End
2025-08-20 06:14:26.405
MJD Start
60907.2593333943
MJD End
60907.26002783873
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
12.0
Ambient temperature (°C)
-1.234
Seeing (arcsec)
1.1
Observation
ID
70055
Category
calibrator
Program ID
ENG
Program Title
TBD
Program Type
Normal
PI / COI
spica
Target
ID
51978
Name
HD_198431
RA
312.6741
DEC
-12.5449
Instrument
Interferometer
CHARA
Instrument
SPICA
Instrument mode
LR
Stations
S1S2E1E2W1W2
Projected baselines
Baseline Length start Length end Angle start Angle end
S1-S2 23.5203 23.5350 97.3209 97.5371
S1-E1 257.7089 257.1518 54.4361 54.5510
S1-E2 206.9606 206.5768 63.5506 63.7062
S1-W1 204.8776 205.5326 138.7657 138.8668
S1-W2 144.6080 144.8643 111.0731 111.2761
S2-E1 241.0071 240.4714 50.6281 50.7248
S2-E2 187.8643 187.4850 59.5600 59.6986
S2-W1 187.8930 188.5014 143.5185 143.5963
S2-W2 121.8903 122.1306 113.7023 113.8992
E1-E2 62.6277 62.5401 -157.1295 -157.1547
E1-W1 312.9778 312.8914 -166.2114 -166.2665
E1-W2 215.2585 215.0242 -159.6943 -159.7302
E2-W1 251.3297 251.3357 -168.4656 -168.5248
E2-W2 152.7192 152.5732 -160.7458 -160.7856
W1-W2 102.0772 102.2380 -0.0594 -0.1182
Invalid fields
Key
PROGRAM_ID
Header: validation messages
Message
No value for 'HIERARCH OBS PROG ID'
Header: used keywords
Key Value
HIERARCH OBS PROG ID
HIERARCH DPR CATG CALIB
HIERARCH DPR TYPE STD
MJD-OBS 60907.2593333943
PI-COI spica
HIERARCH OBS TARG NAME HD_198431
HIERARCH OBS RA 312.6741
HIERARCH OBS DEC -12.5449
HIERARCH INS RESOL LOW
HIERARCH INS CENTRAL WL 720.0
HIERARCH CHARA BASELINE S1S2E1E2W1W2
HIERARCH DET DIT 0.0199999995529652
HIERARCH DET NDIT 3000
HIERARCH CHARA NB TEL 6
HIERARCH CHARA T1NAME S1
HIERARCH CHARA T2NAME S2
HIERARCH CHARA T3NAME E1
HIERARCH CHARA T4NAME E2
HIERARCH CHARA T5NAME W1
HIERARCH CHARA T6NAME W2
HIERARCH ISS PBL12 START 23.5203
HIERARCH ISS PBL12 END 23.535
HIERARCH ISS PBLA12 START 97.3209
HIERARCH ISS PBLA12 END 97.5371
HIERARCH ISS PBL13 START 257.7089
HIERARCH ISS PBL13 END 257.1518
HIERARCH ISS PBLA13 START 54.4361
HIERARCH ISS PBLA13 END 54.551
HIERARCH ISS PBL14 START 206.9606
HIERARCH ISS PBL14 END 206.5768
HIERARCH ISS PBLA14 START 63.5506
HIERARCH ISS PBLA14 END 63.7062
HIERARCH ISS PBL15 START 204.8776
HIERARCH ISS PBL15 END 205.5326
HIERARCH ISS PBLA15 START 138.7657
HIERARCH ISS PBLA15 END 138.8668
HIERARCH ISS PBL16 START 144.608
HIERARCH ISS PBL16 END 144.8643
HIERARCH ISS PBLA16 START 111.0731
HIERARCH ISS PBLA16 END 111.2761
HIERARCH ISS PBL23 START 241.0071
HIERARCH ISS PBL23 END 240.4714
HIERARCH ISS PBLA23 START 50.6281
HIERARCH ISS PBLA23 END 50.7248
HIERARCH ISS PBL24 START 187.8643
HIERARCH ISS PBL24 END 187.485
HIERARCH ISS PBLA24 START 59.56
HIERARCH ISS PBLA24 END 59.6986
HIERARCH ISS PBL25 START 187.893
HIERARCH ISS PBL25 END 188.5014
HIERARCH ISS PBLA25 START 143.5185
HIERARCH ISS PBLA25 END 143.5963
HIERARCH ISS PBL26 START 121.8903
HIERARCH ISS PBL26 END 122.1306
HIERARCH ISS PBLA26 START 113.7023
HIERARCH ISS PBLA26 END 113.8992
HIERARCH ISS PBL34 START 62.6277
HIERARCH ISS PBL34 END 62.5401
HIERARCH ISS PBLA34 START -157.1295
HIERARCH ISS PBLA34 END -157.1547
HIERARCH ISS PBL35 START 312.9778
HIERARCH ISS PBL35 END 312.8914
HIERARCH ISS PBLA35 START -166.2114
HIERARCH ISS PBLA35 END -166.2665
HIERARCH ISS PBL36 START 215.2585
HIERARCH ISS PBL36 END 215.0242
HIERARCH ISS PBLA36 START -159.6943
HIERARCH ISS PBLA36 END -159.7302
HIERARCH ISS PBL45 START 251.3297
HIERARCH ISS PBL45 END 251.3357
HIERARCH ISS PBLA45 START -168.4656
HIERARCH ISS PBLA45 END -168.5248
HIERARCH ISS PBL46 START 152.7192
HIERARCH ISS PBL46 END 152.5732
HIERARCH ISS PBLA46 START -160.7458
HIERARCH ISS PBLA46 END -160.7856
HIERARCH ISS PBL56 START 102.0772
HIERARCH ISS PBL56 END 102.238
HIERARCH ISS PBLA56 START -0.0594
HIERARCH ISS PBLA56 END -0.1182
HIERARCH CHARA TAU0 12.0
HIERARCH CHARA SEEING 1.1